3 bromo 2 5 dimethylhexane July 8, 2019 16 32 64 128 5 bromo 2 3 dimethylhexane structure 2 bromo 5 chloro 3 4 dimethylhexane 5 bromo 3 chloro 2 3 dimethylhexane 3 methylhexane 2 3-dibromo-2 3-dimethylbutane 3 3-dibromo-2-methylpentane